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A171999 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 3
6 6
7 1
8 4
9 6
10 12
11 1
12 5
13 10
14 20
15 30
16 1
17 6
18 15
19 20
20 30
21 60
22 90
23 1
24 7
25 21
26 35
27 42
28 105
29 140
30 210
31 1
32 8
33 28
34 56
35 70
36 168
37 280
38 420
39 560
40 1
41 9
42 36
43 72
44 84
45 126
46 252
47 504
48 630
49 756
50 1260
51 1680
52 1
53 10
54 45
55 90
56 120
57 210
58 252
59 360
60 840
61 1260
62 2520
63 3150
64 4200
65 1
66 11
67 55

[1,1,2,1,3,6,1,4,6,12,1,5,10,20,30,1,6,15,20,30,
 60,90,1,7,21,35,42,105,140,210,1,8,28,56,70,168,
 280,420,560,1,9,36,72,84,126,252,504,630,756,1260,
 1680,1,10,45,90,120,210,252,360,840,1260,2520,
 3150,4200,1,11,55]

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Last modified May 15 08:34 EDT 2024. Contains 372538 sequences. (Running on oeis4.)